D'Addario Kaplan Viola A String, Short Scale, Medium Tension Short-scale viola (body length 13-14 inches) with a playing length of 13 inches (330mm) Medium tension Solid and stranded steel cores provide warmth, projection and allow for extreme bow weight Versatile string that works well for a wide variety of playing styles and instruments All D'Addario strings are designed, engineered and manufactured in the USA to the most stringent quality controls in the industry